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65 lines
3.0 KiB
Groff
65 lines
3.0 KiB
Groff
.\"***************************************************************************
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.\" Copyright (c) 1998-2003,2006 Free Software Foundation, Inc. *
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.\" *
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.\" Permission is hereby granted, free of charge, to any person obtaining a *
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.\" copy of this software and associated documentation files (the *
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.\" "Software"), to deal in the Software without restriction, including *
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.\" without limitation the rights to use, copy, modify, merge, publish, *
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.\" distribute, distribute with modifications, sublicense, and/or sell *
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.\" copies of the Software, and to permit persons to whom the Software is *
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.\" furnished to do so, subject to the following conditions: *
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.\" *
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.\" The above copyright notice and this permission notice shall be included *
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.\" in all copies or substantial portions of the Software. *
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.\" *
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.\" THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS *
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.\" OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF *
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.\" MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. *
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.\" IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, *
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.\" DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR *
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.\" OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR *
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.\" THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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.\" *
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.\" Except as contained in this notice, the name(s) of the above copyright *
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.\" holders shall not be used in advertising or otherwise to promote the *
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.\" sale, use or other dealings in this Software without prior written *
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.\" authorization. *
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.\"***************************************************************************
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.\"
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.\" $Id: gdc.6,v 1.3 2006/04/22 23:02:15 tom Exp $
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.TH GDC 6
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.SH NAME
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gdc \- grand digital clock (curses)
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.SH SYNOPSIS
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.B gdc
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[-n] [
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[-s] [
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.I n
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]
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.SH DESCRIPTION
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.I Gdc
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runs a digital clock made of reverse-video blanks on a terminal screen.
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If the terminal supports color, the clock is drawn in red.
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You can make the clock stop, pause or resume by pressing a ``q'',
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``s'' or space, respectively.
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.SH OPTIONS
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.TP
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.B -n
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redirects input to /dev/null, making it ignore the stop/pause commands.
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You can still stop it by pressing the interrupt key.
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.TP
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.B -s
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makes digits scroll as they change.
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When running on a fast display, the program breaks up the scrolling into
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subsecond repaints, making the operation appear smooth.
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.PP
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With an optional numeric argument
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.I num
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it stops after
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.I num
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seconds.
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Normally it runs "forever" (counting down from 2 billion seconds).
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.SH AUTHOR
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Amos Shapir, modified for curses by John Lupien.
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Improvements for ncurses by Thomas Dickey.
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